20550+4219 LDS 2467

20^h 55^m 00.00^s +42° 19' 00.0" P.A. 193.00 sep 20.0 mag 18.00,21.00

Coord 2000	20550+4219	Discov num	LDS2467	Comp		Coord arcsec 2000	20 55 00.00 +42 19 00.0
Date first	1954	Date last	1954	Obs	1
Pa first	193	Pa last	193	P.A. Now (θ)	193°
Sep first	20.0	Sep last	20	Sep. Now (ρ)	20"
Mag pri	18.00	Mag sec	21.00	delta mag (ΔM)	3	Spectral class
Pri motion ra	+015	Sec motion ra
Pri motion dec	-027	Sec motion dec
Notes	X (Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Coordinate calcolate

Coordinate calculated

yes

WDS 20550+4219 LDS 2467 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20550+4219	LDS2467		1954	1	193	20.0	18.00	21.00		X

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WDS 20550+4219 LDS 2467 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20550+4219 LDS 2467 : MEASURES

No records found.

WDS 20550+4219 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20550+4219 : ALADIN DSS IMAGE @ 20^h 55^m 00.00^s +42° 19' 00.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20550+4219 LDS 2467 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20550+4219	LDS2467		193	20.0
Show		20553+4218	OSO 137	AB	116	10.8	4
Show		20553+4218	OSO 137	AC	225	11.6	4
Show		20553+4218	OSO 137	AD	276	14.3	4
Show		20553+4218	OSO 137	AE	295	14.9	4
Show		20553+4218	OSO 137	AF	137	16.8	4
Show		20553+4218	OSO 137	AG	346	25.0	4
Show		20547+4211	CVR 233		235	61.5	10
Show		20553+4231	STT 423		76	2.7	13
Show		20534+4208	LDS2464		331	43.8	23
Show		20556+4243	BRT2282		276	2.5	26
Show		20569+4233	GRV 399		6	64.8	26
Show		20568+4254	ENG 77	AB	328	100.0	41
Show		20568+4254	ENG 77	AC	17	125.8	41
Show		20568+4254	ENG 77	BC	69	102.7	41
Show		20539+4139	BRT2280		192	5.0	43
Show		20568+4254	ENG 77	CD	356	92.9	43
Show		20511+4224	BRT2277		230	4.2	44
Show		20534+4139	ES 1574		158	1.4	44
Show		20513+4238	A 614		333	1.5	45
Show		20530+4258	COU2542		199	0.1	46
Show		20525+4138	LDS2463		151	27.8	51
Show		20564+4308	COU2544		160	0.4	52
Show		20508+4238	LDS2457		106	5.1	52
Show		20519+4140	COU2428		113	0.7	53
Show		20598+4225	CLZ 78		347	38.2	54
Show		20584+4303	ES 1575		356	5.3	58
Show		20590+4259	LDS2475		90	12.2	59
Show		20592+4257	ES 1576		350	3.7	60
Show		20569+4122	LDS2471		43	3.2	61
Show		20519+4309	GRV 389		190	61.9	61
Show		20524+4314	LDS2462		265	39.5	62
Show		20514+4134	LDS2460		195	8.4	62
Show		20553+4322	LDS2468		107	60.0	64
Show		20573+4319	ES 1450		162	4.7	65
Show		20539+4115	KPP1503		94	11.3	65
Show		20555+4112	ES 1686		196	7.7	68
Show		20517+4317	LDS2461		217	32.6	69
Show		20585+4121	BLL 53		352	169.0	70
Show		20542+4111	ES 1684		277	7.9	70
Show		20510+4125	COU2427		312	0.5	70
Show		20535+4328	LDS2465		41	12.1	72
Show		20509+4123	LDS2458		123	14.1	73
Show		20572+4110	HDS2986		176	0.1	74
Show		20508+4120	TDT2575		4	2.6	76
Show		20565+4333	BRT1139		175	3.6	77
Show		20584+4326	ES 1451		101	8.6	78
Show		20568+4335	BRT1957		177	1.1	79
Show		20479+4204	ES 1573		39	5.0	81
Show		21022+4235	ES 1577		41	5.8	82
Show		20516+4106	ES 1683		205	5.2	83

WDS 20550+4219 : COMPONENTS

	A
B	pa=189.7° sep=19.77"

20550+4219 A

Componente originario normalizzato	AB		Coord arcsec 2000	205500.00+421900.0		Mag	18		PmRA	15.00
PmDE	-27.0		Calc coord	yes

20550+4219 B

Componente originario normalizzato	AB		Coord arcsec 2000	205459.70+421840.5		Mag	21		Calc delta mag	3
Calc coord	yes